CN102244605A - Method and equipment for selecting IP addresses of application planes - Google Patents
Method and equipment for selecting IP addresses of application planes Download PDFInfo
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- CN102244605A CN102244605A CN2010101724746A CN201010172474A CN102244605A CN 102244605 A CN102244605 A CN 102244605A CN 2010101724746 A CN2010101724746 A CN 2010101724746A CN 201010172474 A CN201010172474 A CN 201010172474A CN 102244605 A CN102244605 A CN 102244605A
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Abstract
The invention discloses a method and equipment for selecting IP addresses of application planes. The method comprises the following steps: higher-level equipment designates the IP addresses of the application planes for lower-level equipment, wherein the higher-level equipment is communication equipment preferentially selecting the IP addresses of the application planes during the selection process of IP channels, and the lower-level equipment is communication equipment selecting IP addresses matched with the IP addresses of the application planes designated by the higher-level equipment during the selection process of the IP channels; the higher-level equipment calculates connection probability that the IP addresses of the application planes form the IP channels of the application planes according to connectivity response of the lower-level equipment; and the higher-level equipment designates the IP addresses of the application planes for the lower-level equipment according to the connection probability that the IP addresses of the application planes form the IP channels of the application planes. By utilizing the method and the equipment, call loss is reduced and call completion rate is improved.
Description
Technical field
The present invention relates to communication equipment, the system of selection and the equipment of particularly a kind of service surface IP address.
Background technology
At TD-SCDMA (Time Division Synchronized Code Division Multiple Access, the TD SDMA access) in the system, NodeB (base station), RNC (Radio NetworkController, radio network controller), CN (Core Network, core net) all can relate to service surface IP (Internet Protocol, Internet Protocol) the selection problem of address, for RNC, the CN side is specified services face IP address at first, RNC just can select the service surface IP address that is complementary then, thereby constitutes the IP path of an IU mouth.For NodeB, the RNC side is specified services face IP address at first, and the NodeB side just can be selected the service surface IP address that is complementary then, thereby constitutes the IP path of an IUB mouth.If NodeB is as the subordinate equipment of RNC, RNC is as the subordinate equipment of CN, and then always higher level equipment is at first selected service surface IP address, and subordinate equipment is selected the service surface IP address that is complementary again then.
In communication system, be in same other equipment of level and also have situation about interconnecting, be connected (Iur interface), RNC and BSC (Base Station Controller as RNC and RNC, base station controller) connection (Iur-g interface) etc., easy in order to narrate, unitedly call a side of those preferentially selected IP addresses to be higher level equipment hereinafter, it is subordinate equipment that the side of IP is selected in the back.
General higher level equipment is connected with subordinate equipment, backup link is always arranged, the network segment is different probably under the main/slave link corresponding service face IP address, the situation that so also just may cause some IP address of some IP address and subordinate equipment of higher level equipment to be communicated with.
If call will guarantee success, must guarantee at first that the service surface IP address that higher level equipment and subordinate equipment are selected will be able to interconnect.Guarantee that this a little, must at first there be mechanism can detect the right connectedness in its IP address, industry generally adopts ICMP (Internet ControlMessage Protocol at present, ICMP) detection technique or BFD (BidirectionalForwarding Detection, two-way forwarding detects) detection technique realizes.
At present in the first stage of construction stage, may there be following deficiency in existing network based on the 3G network of IP transmission:
1, some equipment does not support ICMP to detect or the BFD detection technique.This needs the artificial correctness that guarantees the device data configuration, can accomplish to interconnect, and increases maintenance cost.
2, all there is IP path detection technique in the equipment of Xiang Lianing, but if only judge simply that IP that both sides select whether can intercommunication, rather than effectively utilize this technology choose can intercommunication the IP address, then can cause a large amount of call losses, influence user's perceptibility.
3, all there is IP path detection technique in the equipment of Xiang Lianing, but if transmission is broken down, does not perhaps mate the IP address of both sides' configuration.If do not utilize this technology to alarm or point out, can increase office side find, the difficulty of orientation problem.
Summary of the invention
Technical problem solved by the invention has been to provide the system of selection and the equipment of a kind of service surface IP address, in order to reduce call loss, promotes percept of call completed.
A kind of service surface IP is provided in the embodiment of the invention system of selection of address, has comprised the steps:
Higher level equipment is subordinate equipment specified services face IP address, described higher level equipment is in selecting IP path process, the communication equipment of preferential selected service surface IP address, described subordinate equipment is in selecting IP path process, the communication equipment of the IP address that the service surface IP address of selection and higher level equipment appointment is complementary;
Higher level equipment forms the connection probability of service surface IP path according to this service surface of connectedness response statistics IP address of subordinate equipment;
Higher level equipment is in the process that is subordinate equipment specified services face IP address, and the connection probability that forms service surface IP path according to each service surface IP address is specified.
The selection equipment of a kind of service surface IP address is provided in the embodiment of the invention, has comprised:
Designated module, be used for when described selection equipment is higher level equipment, be subordinate equipment specified services face IP address, described higher level equipment is in selecting IP path process, the communication equipment of preferential selected service surface IP address, described subordinate equipment is in selecting IP path process, the communication equipment of the IP address that the service surface IP address of selection and higher level equipment appointment is complementary;
Statistical module is used for the connection probability according to this service surface of connectedness response statistics IP address formation service surface IP path of subordinate equipment;
Designated module is used for also being the process of subordinate equipment specified services face IP address that the connection probability that forms service surface IP path according to each service surface IP address is specified.
Beneficial effect of the present invention is as follows:
In the technical scheme that the embodiment of the invention provides, higher level equipment forms the connection probability of service surface IP path according to this service surface of connectedness response statistics IP address of subordinate equipment; And this probability applied in the process into subordinate equipment specified services face IP address owing in assignment procedure, be to specify according to connection probability in the past, but not as specify arbitrarily in the prior art, therefore can reduce call loss, the lifting percept of call completed.
Description of drawings
Fig. 1 is the system of selection implementing procedure schematic diagram of downlink device service IP address in the embodiment of the invention;
Fig. 2 is at the statistical information schematic diagram of a service surface IP of higher level equipment address in the embodiment of the invention;
Fig. 3 is the system of selection implementing procedure schematic diagram of service surface IP address in the embodiment of the invention;
Fig. 4 is the selection device structure schematic diagram of service surface IP address in the embodiment of the invention.
Embodiment
In 3G network of today was built, transmission had become inevitable development trend based on IP, and had currently begun to dispose such network.The embodiment of the invention aims to provide a kind of scheme of effective choice service surface IP path, in order to reduce call loss, promotes percept of call completed.Below in conjunction with accompanying drawing the specific embodiment of the present invention is described.
During the invention process, upper and lower level equipment is all supported on certain identical IP path detection technique, for example: ICMP or BFD provide the selection scheme of service surface IP address on this basis.Set forth its application scheme at subordinate equipment and higher level equipment respectively below.
In the enforcement, higher level equipment is meant: in selecting IP path process, preferentially select the communication equipment of service surface IP address; Subordinate equipment is meant: in selecting IP path process, and the communication equipment of the IP address that the service surface IP address of selection and higher level equipment appointment is complementary.
One, the enforcement of subordinate equipment.
Fig. 1 is the system of selection implementing procedure schematic diagram of downlink device service IP address, and as shown in the figure, subordinate equipment can comprise in the IP address process that the service surface IP address of selection and higher level equipment appointment is complementary:
Step 101, higher level equipment are that subordinate equipment is specified certain service surface IP address;
Step 102, subordinate equipment utilize IP path detection technique to select the IP address that can be communicated with;
Step 103, subordinate equipment are selected failure to service surface IP address or answer that higher level's device replied is selected.
In the enforcement, as subordinate equipment, realize fairly simple, because higher level equipment has at first been specified the IP address of service surface, subordinate equipment is at the service surface IP address of higher level equipment appointment, and whether utilize IP path detection technique to survey each service surface IP of this equipment one by one can be coupled logical just passable.If there is the service surface IP address that can be communicated with,, connect thereby set up service surface just can respond to higher level equipment; If the IP address that does not also have discovery to be communicated with has all been surveyed in all IP addresses of subordinate equipment, get final product to higher level equipment response failed message, further, can also prompting office side attendant check whether data configuration has problems, or whether transmission is out of joint.
In concrete the enforcement, for subordinate equipment, owing to known the selected IP of higher level equipment address, subordinate equipment selects the IP that can be communicated with to get final product when selecting the IP address.If there are a plurality of IP addresses that can be communicated with, can select according to the principle of load balancing (using, bandwidth occupancy is a foundation) in the enforcement.
Reply to the response message of higher level equipment at subordinate equipment, answer can (Radio Link that replies to RNC as NodeB be set up response message according to Bureau of Standards's interface message of having reserved in the agreement, the RAB that RNC replies to CN assigns response message), when replying failure response message, though carry error reason in intercarrier interface message, this error reason can not accurately inform it is obstructed the causing in service surface IP address.So in further implementing, subordinate equipment can also report an incident or alarm to webmaster, this also helps the network O﹠M personnel and arranges barrier rapidly, reduces the loss that therefore causes, and reduces the network operation cost.
Two, the enforcement of higher level equipment.
The inventor notices in the invention process: as higher level equipment, though be that local terminal is preferentially selected service surface IP address,, want to select the words of corresponding IP address merely by subordinate equipment if local terminal chooses at random service surface IP address, also can have problems, reason has two at least:
The one, though subordinate equipment supports the IP path to detect, but do not use, for example generally all can support ICMP, but not necessarily be used for carrying out the detection and the selection of service surface IP connectivity that then the IP address that this moment, subordinate equipment was selected may not be connected with the IP address that higher level equipment is selected.
The 2nd, even subordinate equipment also has the mechanism of utilizing IP path detection technique to select service surface IP address, if but the IP address that higher level equipment is selected is improper, perhaps intermediate conveyor goes wrong, then may cause the service surface IP address selected at higher level equipment, subordinate equipment can't be selected the IP address that is connected, and like this also can cause call loss.
Given this, at higher level equipment, after subordinate's choice of equipment goes out corresponding service face IP address, if carrying out the IP path, higher level equipment detects, and connectedness added up, just can in the time of follow-up selection local terminal service surface IP address, analyze, determine the selection probability of each service surface of local terminal IP address.Further, just this probability can be used to reduce call loss, promote percept of call completed.
But, compare subordinate equipment, the realization of higher level equipment is also therefore more complicated.Concrete, it realizes roughly can comprising 2 points:
One,,, reduce the selection probability of this service surface IP address if the selected service surface IP of subordinate equipment address and its situation that can't be communicated with occur at certain service surface IP address of local terminal;
Two, if at certain service surface IP address of local terminal, unborn unconnectedness situation is eliminated, and recovers the selection probability of its IP address;
Accomplish above two a little, can not depend merely on a detection of connectivity result and make judgement, need add up connective result, statistical information can comprise that the IP address to information such as, IP address choice total degree, disconnected number of times, analyzes then and make decision on this statistical information basis.Fig. 2 is the statistical information schematic diagram at a service surface IP of higher level equipment address, analyzes on the statistical information basis that make decision can be as shown in the figure.
Describe executing in fact below.
Fig. 3 is the system of selection implementing procedure schematic diagram of service surface IP address, and as shown in the figure, higher level equipment can comprise the steps: when selecting
Step 301, higher level equipment are subordinate equipment specified services face IP address;
Step 302, higher level equipment form the connection probability of service surface IP path according to this service surface of connectedness response statistics IP address of subordinate equipment;
Step 303, higher level equipment are in the process that is subordinate equipment specified services face IP address, and the connection probability that forms service surface IP path according to each service surface IP address is specified.
Then, in conjunction with the consideration of first and second point, in concrete the enforcement, can also handle as follows:
1, higher level equipment when the connection probability that forms service surface IP path according to each service surface IP address is specified, can comprise one of following mode or its combination in the process that is subordinate equipment specified services face IP address:
1), reduces appointment and be communicated with the low service surface IP address of probability.
2), behind the connection probability that obtains service surface IP, determine whether to specify this service surface IP address according to the new connection probability that obtains in this service surface IP address.
3), determine that according to the call loss scope that allows statistics is communicated with the required total degree of probability, after reaching this total degree, determine whether to specify this service surface IP address according to the connection probability of this service surface IP address.
4), when being communicated with probability and being zero, send warning.
In the enforcement, can be after higher level equipment finds that subordinate equipment selected service surface IP address and self selected service surface IP address are obstructed, at first upgrade statistical information, for example: corresponding IP address is increased progressively not being communicated with number of times, it reduces selection probability then, even can be communicated with at other IP address of subordinate equipment at this service surface IP address.
May be required in principle and carry out selecting the probability adjustment again after a certain amount of calling, as 200 times, its purpose is to guarantee that " not being communicated with the total selection number of times in number of times/this IP address " is within the call loss scope that is allowed.
Also always there is disconnected situation in the address if higher level equipment is selected other service surface IP, in the time of can't guaranteeing that finally call completing rate requires, can also send alarm, prompting office side webmaster personnel to disconnected IP address to analyzing, to determine it where out of jointly is.
2, can further include:
1), get rid of to form the fault of service surface IP path after, be that required connection probability is specified in this service surface IP address assignment.
2), get rid of to form the fault of service surface IP path after, delete the statistical information of this service surface IP address.
3), when higher level equipment determines that according to the connectedness response of subordinate equipment this subordinate equipment selects the number of times of this service surface IP address to reach threshold value, delete the statistical information of this service surface IP address.
In the enforcement, if cause disconnected problem reparation, for example: a certain side revises configuration data, or the intermediate conveyor fault recovery, and higher level equipment also needs to recover the selection probability of corresponding service face IP address, to guarantee that load evenly.
If certain service surface IP is deleted or revised to higher level equipment correction configuration data, its corresponding connective statistical information directly deleted get final product;
If the subordinate equipment correction configuration data (higher level equipment can't be learnt), higher level equipment can find subordinate equipment had several times no longer to select certain service surface IP address after with its statistical information deletion;
If the intermediate conveyor fault recovery, higher level equipment is if find to exist originally disconnected IP address to being communicated with once more, directly with its corresponding statistical information clear 0.
Based on same inventive concept, the selection equipment of a kind of service surface IP address also is provided in the embodiment of the invention, because the principle that this equipment is dealt with problems is similar to the system of selection of a kind of service surface IP address, so the enforcement of this equipment can repeat part and repeat no more referring to the enforcement of method.
Fig. 4 is the selection device structure schematic diagram of service surface IP address, as shown in the figure, can comprise in the equipment:
Designated module 401, be used for when described selection equipment is higher level equipment, be subordinate equipment specified services face IP address, described higher level equipment is in selecting IP path process, the communication equipment of preferential selected service surface IP address, described subordinate equipment is in selecting IP path process, the communication equipment of the IP address that the service surface IP address of selection and higher level equipment appointment is complementary;
Designated module 401 is used for also being the process of subordinate equipment specified services face IP address that the connection probability that forms service surface IP path according to each service surface IP address is specified.
In the enforcement, it is being in the process of subordinate equipment specified services face IP address that designated module can also be further used for, and when specifying according to the connection probability of each service surface IP address formation service surface IP path, further comprises with one of lower unit or its combination:
Probability reduces the unit, is used to reduce specify be communicated with the low service surface IP address of probability;
Designating unit is used for behind the connection probability that obtains service surface IP, determines whether to specify this service surface IP address according to the new connection probability that obtains in this service surface IP address;
Judging unit is used for determining that according to the call loss scope that allows statistics is communicated with the required total degree of probability, after reaching this total degree, determines whether to specify this service surface IP address according to the connection probability of this service surface IP address;
Alarm unit is used for sending warning when the connection probability is zero.
In the enforcement, statistical module can also be further used for after getting rid of the fault that forms service surface IP path, for required connection probability is specified in this service surface IP address assignment.
In the enforcement, statistical module can also be further used for deleting the statistical information of this service surface IP address after getting rid of the fault that forms service surface IP path.
In the enforcement, statistical module can also be further used for deleting the statistical information of this service surface IP address when determining that according to the connectedness response of subordinate equipment this subordinate equipment selects the number of times of this service surface IP address to reach threshold value.
In the enforcement, equipment can be one of following equipment: NodeB, RNC, CN equipment, BSC.
For the convenience of describing, the each several part of the above device is divided into various modules with function or the unit is described respectively.Certainly, when enforcement is of the present invention, can in same or a plurality of softwares or hardware, realize the function of each module or unit.
IP path detection technique related in the technical scheme that the embodiment of the invention provides can specifically can be used in IU, IUB, IUR, IUR-G interface in the application under the 3G network IP RAN environment.
At present in the first stage of construction stage, the technical scheme that adopts the embodiment of the invention to provide can promote call completing rate, less call loss when selecting service surface IP address based on the 3G network of IP transmission.
Those skilled in the art should understand that embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware embodiment, complete software implementation example or in conjunction with the form of the embodiment of software and hardware aspect.And the present invention can adopt the form that goes up the computer program of implementing in one or more computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) that wherein include computer usable program code.
The present invention is that reference is described according to the flow chart and/or the block diagram of method, equipment (system) and the computer program of the embodiment of the invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block diagram and/or square frame and flow chart and/or the block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out by the processor of computer or other programmable data processing device produce to be used for the device of the function that is implemented in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, make the instruction that is stored in this computer-readable memory produce the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device, make on computer or other programmable devices and to carry out the sequence of operations step producing computer implemented processing, thereby the instruction of carrying out on computer or other programmable devices is provided for being implemented in the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
Although described the preferred embodiments of the present invention, in a single day those skilled in the art get the basic creative notion of cicada, then can make other change and modification to these embodiment.So claims are intended to all changes and the modification that are interpreted as comprising preferred embodiment and fall into the scope of the invention.
Claims (11)
1. the system of selection of a service surface IP address is characterized in that, comprises the steps:
Higher level equipment is subordinate equipment specified services face IP address, described higher level equipment is in selecting IP path process, the communication equipment of preferential selected service surface IP address, described subordinate equipment is in selecting IP path process, the communication equipment of the IP address that the service surface IP address of selection and higher level equipment appointment is complementary;
Higher level equipment forms the connection probability of service surface IP path according to this service surface of connectedness response statistics IP address of subordinate equipment;
Higher level equipment is in the process that is subordinate equipment specified services face IP address, and the connection probability that forms service surface IP path according to each service surface IP address is specified.
2. the method for claim 1, it is characterized in that, higher level equipment when specifying according to the connection probability of each service surface IP address formation service surface IP path, comprises one of following mode or its combination in the process that is subordinate equipment specified services face IP address:
Reduce to specify and be communicated with the low service surface IP address of probability;
Behind the connection probability that obtains service surface IP, determine whether to specify this service surface IP address according to the new connection probability that obtains in this service surface IP address;
Determine that according to the call loss scope that allows statistics is communicated with the required total degree of probability, after reaching this total degree, determine whether to specify this service surface IP address according to the connection probability of this service surface IP address;
When the connection probability is zero, send warning.
3. method as claimed in claim 2 is characterized in that, further comprises:
After getting rid of the fault that forms service surface IP path, for required connection probability is specified in this service surface IP address assignment.
4. method as claimed in claim 2 is characterized in that, further comprises:
After getting rid of the fault that forms service surface IP path, delete the statistical information of this service surface IP address.
5. as the arbitrary described method of claim 1 to 4, it is characterized in that, further comprise:
When higher level equipment determines that according to the connectedness response of subordinate equipment this subordinate equipment selects the number of times of this service surface IP address to reach threshold value, delete the statistical information of this service surface IP address.
6. the selection equipment of a service surface IP address is characterized in that, comprising:
Designated module, be used for when described selection equipment is higher level equipment, be subordinate equipment specified services face IP address, described higher level equipment is in selecting IP path process, the communication equipment of preferential selected service surface IP address, described subordinate equipment is in selecting IP path process, the communication equipment of the IP address that the service surface IP address of selection and higher level equipment appointment is complementary;
Statistical module is used for the connection probability according to this service surface of connectedness response statistics IP address formation service surface IP path of subordinate equipment;
Designated module is used for also being the process of subordinate equipment specified services face IP address that the connection probability that forms service surface IP path according to each service surface IP address is specified.
7. equipment as claimed in claim 6, it is characterized in that, it is being in the process of subordinate equipment specified services face IP address that designated module is further used for, and when specifying according to the connection probability of each service surface IP address formation service surface IP path, further comprises with one of lower unit or its combination:
Probability reduces the unit, is used to reduce specify be communicated with the low service surface IP address of probability;
Designating unit is used for behind the connection probability that obtains service surface IP, determines whether to specify this service surface IP address according to the new connection probability that obtains in this service surface IP address;
Judging unit is used for determining that according to the call loss scope that allows statistics is communicated with the required total degree of probability, after reaching this total degree, determines whether to specify this service surface IP address according to the connection probability of this service surface IP address;
Alarm unit is used for sending warning when the connection probability is zero.
8. equipment as claimed in claim 7 is characterized in that, statistical module is further used for after getting rid of the fault that forms service surface IP path, for required connection probability is specified in this service surface IP address assignment.
9. equipment as claimed in claim 7 is characterized in that, statistical module is further used for deleting the statistical information of this service surface IP address after getting rid of the fault that forms service surface IP path.
10. as the arbitrary described equipment of claim 6 to 9, it is characterized in that, statistical module is further used for deleting the statistical information of this service surface IP address when determining that according to the connectedness response of subordinate equipment this subordinate equipment selects the number of times of this service surface IP address to reach threshold value.
11. equipment as claimed in claim 6 is characterized in that, described equipment is one of following equipment: base station node B, radio network controller (RNC), core net CN equipment, base station controller BSC.
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| CN201010172474.6A CN102244605B (en) | 2010-05-10 | 2010-05-10 | Method and equipment for selecting IP addresses of application planes |
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| CN201010172474.6A CN102244605B (en) | 2010-05-10 | 2010-05-10 | Method and equipment for selecting IP addresses of application planes |
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| CN102244605B CN102244605B (en) | 2014-11-12 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1756214A (en) * | 2004-09-28 | 2006-04-05 | 华为技术有限公司 | Media gateway and its method for distributing service flow IP address |
| CN101001208A (en) * | 2006-12-13 | 2007-07-18 | 华为技术有限公司 | Method, device and system of line selection and flow control |
| CN101365169A (en) * | 2007-08-09 | 2009-02-11 | 华为技术有限公司 | Routing control implementing method, system, media gateway and media gateway controller |
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2010
- 2010-05-10 CN CN201010172474.6A patent/CN102244605B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1756214A (en) * | 2004-09-28 | 2006-04-05 | 华为技术有限公司 | Media gateway and its method for distributing service flow IP address |
| CN101001208A (en) * | 2006-12-13 | 2007-07-18 | 华为技术有限公司 | Method, device and system of line selection and flow control |
| CN101365169A (en) * | 2007-08-09 | 2009-02-11 | 华为技术有限公司 | Routing control implementing method, system, media gateway and media gateway controller |
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